Cement-based capillary crystalline waterproof material as well as preparation and application thereof: Fid-Bau Portal

Cement-based capillary crystalline waterproof material as well as preparation and application thereof

LI MINGXIA / LI JIAZHENG / LIN YUQIANG

The invention discloses a preparation method of a cement-based capillary crystalline waterproof material, and belongs to the technical field of building materials. The preparation method comprises the following steps: dissolving an active component A in water, adding quartz sand, stirring, standing and heating to obtain active sand; uniformly mixing the active sand with cement, an active component B and a thickening agent to obtain the cement-based capillary crystalline waterproof material, wherein the active component A comprises at least one of citric acid or diethylamine tetraacetic acid, and the active component B comprises soluble carbonate or soluble silicate. The waterproof material prepared by the preparation method disclosed by the invention can have very good anti-permeability performance, and meanwhile, the compressive strength and breaking strength of concrete can be enhanced, and cracks with the width of 0.85 mm can be repaired.

本发明公开了一种水泥基渗透结晶型防水材料的制备方法，属于建筑材料技术领域。上述制备方法包括如下步骤：将活性组分A加入水中溶解，加入石英砂，搅拌，静置，加热，得到活性砂；将所述活性砂与水泥、活性组分B、增稠剂混匀，得到水泥基渗透结晶型防水材料；其中，所述活性组分A包括柠檬酸或二乙胺四乙酸中的至少一种，所述活性组分B包括可溶性碳酸盐或可溶性硅酸盐。本发明的制备方法制备得到的防水材料可以具有很好的抗渗性能，同时可以增强混凝土的抗压强度和抗折强度，修补0.85mm宽度的裂缝。

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